4678911239 has 4 divisors (see below), whose sum is σ = 4687858056. Its totient is φ = 4669964424.

The previous prime is 4678911233. The next prime is 4678911271. The reversal of 4678911239 is 9321198764.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4678911239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4678911233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4472624 + ... + 4473669.

It is an arithmetic number, because the mean of its divisors is an integer number (1171964514).

Almost surely, 2^4678911239 is an apocalyptic number.

4678911239 is a deficient number, since it is larger than the sum of its proper divisors (8946817).

4678911239 is an equidigital number, since it uses as much as digits as its factorization.

4678911239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8946816.

The product of its digits is 653184, while the sum is 50.

The square root of 4678911239 is about 68402.5674883626. The cubic root of 4678911239 is about 1672.5595992415.

The spelling of 4678911239 in words is "four billion, six hundred seventy-eight million, nine hundred eleven thousand, two hundred thirty-nine".